CVE-2021-4048

CRITICAL

Lapack <3.10.0 - Info Disclosure

Title source: llm

Description

An out-of-bounds read flaw was found in the CLARRV, DLARRV, SLARRV, and ZLARRV functions in lapack through version 3.10.0, as also used in OpenBLAS before version 0.3.18. Specially crafted inputs passed to these functions could cause an application using lapack to crash or possibly disclose portions of its memory.

References (9)

Core 9

Core References

Issue Tracking, Patch, Third Party Advisory x_refsource_misc

https://github.com/Reference-LAPACK/lapack/pull/625

Patch, Third Party Advisory x_refsource_misc

https://github.com/Reference-LAPACK/lapack/commit/38f3eeee3108b18158409ca2a100e6fe03754781

Issue Tracking, Patch, Third Party Advisory x_refsource_misc

https://github.com/JuliaLang/julia/issues/42415

Patch, Third Party Advisory x_refsource_misc

https://github.com/xianyi/OpenBLAS/commit/337b65133df174796794871b3988cd03426e6d41

View Patch ZIP pw:eip

Patch, Third Party Advisory x_refsource_misc

https://github.com/xianyi/OpenBLAS/commit/2be5ee3cca97a597f2ee2118808a2d5eacea050c

View Patch ZIP pw:eip

Patch, Third Party Advisory x_refsource_misc

https://github.com/xianyi/OpenBLAS/commit/fe497efa0510466fd93578aaf9da1ad8ed4edbe7

Patch, Third Party Advisory x_refsource_misc

https://github.com/xianyi/OpenBLAS/commit/ddb0ff5353637bb5f5ad060c9620e334c143e3d7

View Patch ZIP pw:eip

Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DROZM4M2QRKSD6FBO4BHSV2QMIRJQPHT/

Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6QFEVOCUG2UXMVMFMTU4ONJVDEHY2LW2/

Scores

CVSS v3 9.1

EPSS 0.0036

EPSS Percentile 58.4%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Details

CWE

CWE-125

Status published

Products (13)

fedoraproject/fedora 34

fedoraproject/fedora 35

julialang/julia 1.7.0 beta1 (5 CPE variants)

julialang/julia < 1.6.3

lapack_project/lapack < 3.10.0

openblas_project/openblas < 0.3.18

redhat/ceph_storage 2.0

redhat/ceph_storage 3.0

redhat/ceph_storage 4.0

redhat/ceph_storage 5.0

... and 3 more

Published Dec 08, 2021

Tracked Since Feb 18, 2026